Possible Sources
PINPOINT TEST AC : B117A:01
AC1 CHECK THE LHR (LEFT-HAND REAR) QUARTER PANEL ANC (ACTIVE NOISE CONTROL) MICROPHONE CIRCUITS FOR A SHORT TO VOLTAGE
Ignition OFF. Disconnect: ACM C240B. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C240B-2 | Ground | |
C240B-15 | Ground |
Is any voltage present?
Yes | REPAIR the circuit in question. |
|---|---|
No | GO to AC2 |
AC2 CHECK THE LHR (LEFT-HAND REAR) QUARTER PANEL ANC (ACTIVE NOISE CONTROL) MICROPHONE CIRCUITS FOR A SHORT TO GROUND
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C240B-2 | Ground | |
C240B-15 | Ground |
Are the resistances greater than 10,000 ohms?
Yes | GO to AC3 |
|---|---|
No | REPAIR the circuit in question. |
AC3 CHECK THE LHR (LEFT-HAND REAR) QUARTER PANEL ANC (ACTIVE NOISE CONTROL) MICROPHONE CIRCUITS FOR AN OPEN
Disconnect: LHR Quarter Panel ANC Microphone C4828. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C240B-2 | C4828-1 |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.